| Issue |
Eur. Phys. J. Appl. Phys.
Volume 35, Number 2, August 2006
|
|
|---|---|---|
| Page(s) | 131 - 134 | |
| Section | Magnetism and Superconductivity | |
| DOI | https://doi.org/10.1051/epjap:2006084 | |
| Published online | 13 July 2006 | |
https://doi.org/10.1051/epjap:2006084
A model for achieving 1 terabit/sq.in. storage density by heat-assisted magnetic probe recording
Department of Applied Physics, University of Electronic Science and
Technology of China, Chengdu 610054, P.R. China
Corresponding author: zhangli_cmu2005@yahoo.com.cn
Received:
6
January
2006
Revised:
18
February
2006
Accepted:
21
April
2006
Published online:
13
July
2006
A method of heat-assisted magnetic recording (HAMR) is characterized. The recording medium is a high coercitivity, granular and perpendicular CoNi/Pt multilayered film. Emission current from a scanning tunneling microscope (STM) is the heating source. Experiments show that an average mark size of 90–120 nm is achieved. A model for achieving 1 terabit/sq.in. recording density (or a mark size of 25 nm) is proposed to guide future effort.
PACS: 75.50.Ss – Magnetic recording materials / 85.70.-w – Magnetic devices / 07.79.-v – Scanning probe microscopes and components
© EDP Sciences, 2006
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